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https://www.readbyqxmd.com/read/28339093/rock-inhibition-as-a-potential-therapeutic-target-involved-in-apoptosis-in-hemangioma
#1
Ming-Ke Qiu, Shu-Qing Wang, Chang Pan, Yang Wang, Zhi-Wei Quan, Ying-Bin Liu, Jing-Min Ou
Gene expression was examined in hemangiomas (HA), benign, birthmark-like tumors occurring in infancy, and confirmed in HA-derived endothelial cells (HDEC), for which cell proliferation and apoptosis were also assessed. Protein and mRNA accumulation of Rho-associated protein kinase (ROCK), vascular endothelial growth factor (VEGF), Ki-67 and proliferating cell nuclear antigen was significantly higher in proliferating phase HAs than in involuting phase HAs. In contrast, p53 and caspase-3 exhibited higher levels of accumulation in involuting than proliferating HAs...
March 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28339070/125i%C3%A2-seed-irradiation-induces-apoptosis-and-inhibits-angiogenesis-by-decreasing-hif-1%C3%AE-and-vegf-expression-in-lung-carcinoma-xenografts
#2
Gui-Ling Xiang, Xin-Hong Zhu, Cun-Zhi Lin, Li-Jun Wang, Yong Sun, Yi-Wei Cao, Fang-Fang Wang
The purpose of this study was to examine the effects of irradiation by 125I seeds in human lung cancer xenograft model and to determine the underlying mechanisms involved, with a focus on angiogenesis. A group of 40 mice bearing A549 lung adenocarcinoma xenografts was randomly separated into 4 groups: control group (n=10), sham seed (0 mCi) implant group (n=10), 125I seed (0.6 mCi) implant group (n=10) and 125I seed (0.8 mCi) implant group (n=10), respectively. The body weight and tumor volume, were recorded every four days until the end of the study...
March 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28339056/nobiletin-inhibits-invasion-via-inhibiting-akt-gsk3%C3%AE-%C3%AE-catenin-signaling-pathway-in-slug-expressing-glioma-cells
#3
Xiang Zhang, Kebin Zheng, Chunhui Li, Yonghui Zhao, Heyang Li, Xuguang Liu, Yinbo Long, Junchao Yao
Epithelial-mesenchymal transition (EMT) is a pivotal event in tumor progression during which cancer cells undergo dramatic changes acquiring highly invasive properties. In this study, we found that nobiletin, a polymethoxylated flavone, suppressed migration and invasion in both U87 and U251 glioma cells. Expression of epithelial markers (E-cadherin and occludin) was upregulated; mesenchymal markers (N-cadherin, fibronectin) and the transcriptional factor Slug were downregulated after nobiletin treatment. Transforming growth factor β (TGF-β) was applied to stimulate EMT and the results showed that nobiletin not only influenced basal level cell migration but also prevented TGF-β-triggered migration and EMT, with the AKT/GSK3β/β-catenin signaling pathway greatly involved...
March 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28339026/opposite-effects-of-tumor-protein-d-tpd-52-and-tpd54-on-oral-squamous-cell-carcinoma-cells
#4
Kosuke Kato, Yoshiki Mukudai, Hiromi Motohashi, Chihiro Ito, Shinnosuke Kamoshida, Toshikazu Shimane, Seiji Kondo, Tatsuo Shirota
The tumor protein D52 (TPD52) protein family includes TPD52, -53, -54 and -55. Several reports have shown important roles for TPD52 and TPD53, and have also suggested the potential involvement of TPD54, in D52-family physiological effects. Therefore, we performed detailed expression analysis of TPD52 family proteins in oral squamous cell carcinoma (OSCC). Towards this end, TPD54-overexpressing or knocked-down cells were constructed using OSCC-derived SAS, HSC2 and HSC3 cells. tpd52 or tpd53 was expressed or co-expressed in these cells by transfection...
March 23, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28338993/dihydrocelastrol-inhibits-multiple-myeloma-cell-proliferation-and-promotes-apoptosis-through-erk1-2-and-il-6-stat3-pathways-in-vitro-and-in-vivo
#5
Liangning Hu, Huiqun Wu, Bo Li, Dongliang Song, Guang Yang, Gege Chen, Bingqian Xie, Zhijian Xu, Yong Zhang, Dandan Yu, Jun Hou, Wenqin Xiao, Xi Sun, Gaomei Chang, Yiwen Zhang, Lu Gao, Bojie Dai, Yi Tao, Jumei Shi, Weiliang Zhu
Multiple myeloma (MM) is the second most frequent malignant hematological disease. Dihydrocelastrol (DHCE) is synthesized by hydrogenated celastrol, a treterpene isolated from Chinese medicinal plant Tripterygium regelii. In this study, we first reported the anti-tumor activity of DHCE on MM cells. We found that DHCE could inhibit cell proliferation and promote apoptosis through caspase-dependent way in vitro. In addition, DHCE could inactivate the expression of interleukin (IL)-6 and downregulate the phosphorylation of extracellular regulated protein kinases (ERK1/2) and the signal transducer and activator of transcription 3 (STAT3) in MM...
March 17, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28338815/enhanced-tenogenic-differentiation-and-tendon-like-tissue-formation-by-chip-overexpression-in-tendon-derived-stem-cells
#6
Weifeng Han, Lei Chen, Junpeng Liu, Ai Guo
The carboxyl terminus of Hsc70-interacting protein (CHIP, also known as STUB1) plays critical roles in the proliferation and differentiation of many types of cells. The potential function of CHIP in tendon-derived stem cells (TDSCs) remains largely unknown at present. Here, we investigated the effects of CHIP on tenogenic differentiation of TDSCs via lentivirus-mediated overexpression. Forced expression of CHIP induced morphological changes and significantly enhanced cell proliferation, as well as tendon differentiation in vitro...
February 22, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28338424/monocytes-seeded-on-engineered-hypertrophic-cartilage-do-not-enhance-endochondral-ossification-capacity
#7
Atanas Todorov, Celeste Scotti, Andrea Barbero, Arnaud Scherberich, Adam Papadimitropoulos, Ivan Martin
Engineered hypertrophic cartilage (HC) represents an attractive bone substitute material, capable to induce bone formation by endochondral ossification. Since bone formation by HC depends on factors released from the extracellular matrix, in this study, we hypothesized that HC seeding with monocytes committed to osteoclastogenesis could enhance its remodeling, improve chemotaxis of skeletal and vascular cells, and consequently enhance bone formation. This would be particularly relevant for devitalized HC, which currently exhibits only limited osteoinductivity...
March 24, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28338421/harnessing-the-osteogenicity-of-in-vitro-stem-cell-derived-mineralized-extracellular-matrix-as-3d-biotemplate-to-guide-bone-regeneration
#8
Yoke Chin Chai, Johanna Bolander, Ioannis Papantoniou, Jennifer Patterson, Jef Vleugels, Jan Schrooten, Frank P Luyten
Advanced biomaterials that are capable of guiding robust bone regeneration are highly demanded for translational therapy of bone defects or bone augmentation in clinics. One of the strategic approaches is to produce tissue engineering (TE) constructs that mediate bone regeneration by recapitulating the natural bone formation or healing process. In this study, we aimed at producing devitalized mineralized carriers with augmented bone forming capacity via a modified culture protocol (i.e., culture conditions with high calcium and/or phosphate concentrations) that first promotes cell growth and, subsequently, mineralized extracellular matrix (ECM) deposition by human periosteum-derived osteoprogenitor cells (hPDCs) on additive manufactured three-dimensional (3D) porous titanium (Ti)-based scaffolds...
March 24, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28337965/knockdown-of-e2f3-inhibits-proliferation-migration-and-invasion-and-increases-apoptosis-in-glioma-cells
#9
Zhi-Gang Shen, Xiao-Zhou Liu, Chang-Xiu Chen, Jing-Min Lu
E2F3a as a member of E2F family is essential for cell division associated with the progressing of many cancers. Whereas, the biological effects of E2F3a on glioma is less understood. To investigate the functional mechanism of E2F3a in glioma, we examined the expression of E2F3a in glioma tissues and cell lines. We found that E2F3a was upregulated in glioma tissues compared with adjacent tissues and associated a poor survival time. E2F3a was highly expressed in glioma cell lines compared with normal HEB cell lines...
March 23, 2017: Oncology Research
https://www.readbyqxmd.com/read/28337641/inhibition-of-proliferation-of-prostate-cancer-cell-line-du-145-in-vitro-and-in-vivo-using-salvia-miltiorrhiza-bunge
#10
Woong Jin Bae, Jin Bong Choi, Kang Sup Kim, U Syn Ha, Sung Hoo Hong, Ji Youl Lee, Tae-Kon Hwang, Sung Yeoun Hwang, Zhi-Ping Wang, Sae Woong Kim
OBJECTIVE: To investigate the antiproliferative activity of Salvia miltiorrhiza Bunge. (SM) on the castration-resistant prostate cancer (CRPC) cell line DU-145, in vitro and in vivo. METHODS: Prostate cancer cell line (DU-145) and normal prostate cell line (RWPE-1) were treated with SM at different concentrations (3.125, 12.5, 25 and 50 μg/mL) to investigate the antiproliferative effects. DNA laddering analysis was performed to investigate the apoptosis of DU-145 cells...
March 23, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28337381/hla-e-inhibitor-enhances-the-killing-of-neuroblastoma-stem-cells-by-co-cultured-dendritic-cells-and-cytokine-induced-killer-cells-loaded-with-membrane-based-microparticles
#11
Zijun Zhen, Kaibin Yang, Litong Ye, Zhiyao You, Rirong Chen, Ying Liu, Youjian He
Neuroblastoma stem cells (NSCs) can cause drug resistance and tumor recurrence. This study aimed to enhance the lytic effect of dendritic cells (DCs) co-cultured with cytokine-induced killer (CIK) cells. NSCs were obtained by suspension culture, and DC-CIK cells were loaded with extracted NSC membrane-based microparticles (MMPs) before evaluating the lytic effect of DC-CIK cells on NSCs. After inhibiting the function or expression of human leukocyte antigen-E (HLA-E) in NSCs by anti-HLA-E monoclonal antibody or siRNA, the DC-CIK cell lytic effect on NSCs was re-assessed...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337321/prototypic-18-f-labeled-argininamide-type-neuropeptide-y-y1r-antagonists-as-tracers-for-pet-imaging-of-mammary-carcinoma
#12
Max Keller, Simone Maschauer, Albert Brennauer, Philipp Tripal, Norman Koglin, Ralf Dittrich, Günther Bernhardt, Torsten Kuwert, Hans-Jürgen Wester, Armin Buschauer, Olaf Prante
The neuropeptide Y (NPY) Y1 receptor (Y1R) selective radioligand (R)-N(α)-(2,2-diphenylacetyl)-N(ω)-[4-(2-[(18)F]fluoropropanoylamino)butyl]aminocarbonyl-N-(4-hydroxybenzyl)argininamide ([(18)F]23), derived from the high-affinity Y1R antagonist BIBP3226, was developed for imaging studies of Y1R-positive tumors. Starting from the argininamide core bearing amine-functionalized spacer moieties, a series of fluoropropanoylated and fluorobenzoylated derivatives was synthesized and studied for Y1R affinity. The fluoropropanoylated derivative 23 displayed high affinity (Ki = 1...
March 9, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28337310/upregulation-of-tspan12-is-associated-with-the-colorectal-cancer-growth-and-metastasis
#13
Jiao Liu, Chuang Chen, Guang Li, Dechang Chen, Qingshan Zhou
Tetraspanin 12 (TSPAN12), as an earliest member of tetraspanin family, has been recently shown to be highly expressed in several malignant tumors, such as lung cancer and breast cancer, which plays an important role in regulating cell proliferation, migration and invasion. However, the functional roles of TSPAN12 in colorectal cancer (CRC) remain largely unclear. In this study, the expression of TSPAN12 was up-regulated compared to that in paracarcinoma tissues. Higher TSPAN12 expression was significantly correlated with TNM stage, tumor size and lymph node metastasis...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337304/down-regulation-of-mediator-complex-subunit-19-med19-induces-apoptosis-in-human-laryngocarcinoma-hep2-cells-in-an-apaf-1-dependent-pathway
#14
Yan Zhao, Qingfeng Meng, Xu Gao, Lihua Zhang, Lixin An
Mediator 19 (Med19) is a component of the mediator complex which is a co-activator for DNA-binding factors that activate transcription via RNA polymerase II. Accumulating evidence has shown that Med19 plays important roles in cancer cell proliferation and tumorigenesis. The physiological mechanism by which Med19 exerts its promoting effects in laryngocarcinoma is not yet fully understood. Here, we found that the expression of Med19 was increased in laryngocarcinoma samples from patients compared to normal bone tissues...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337261/glutathione-s-transferase-a-4-gsta4-suppresses-tumor-growth-and-metastasis-of-human-hepatocellular-carcinoma-by-targeting-akt-pathway
#15
Chang Jun Liu, Jin Hui Yang, Fei Zhou Huang, Wan Pin Nie, Chu Ping Liu, Xian Hai Mao, Xin Min Yin, Xian Bo Shen, Chuang Peng, Mei Fu Chen, Bo Jiang, Xun Yang Liu, Jin Shu Wu
Hepatocellular carcinoma (HCC) is one of the most lethal malignancies of cancers and its prognosis remains dismal due to the paucity of effective therapeutic targets. Up-regulation of glutathione-s-transferase A 4 (GSTA4) is associated with poor prognosis of HCC, but its functional mechanism in HCC remains unclear. In this study, we investigated the roles of GSTA4 in tumor growth and metastasis of HCC and found that GSTA4 was frequently up-regulated in HCC tissues. Through gain- and loss-of-function studies, GSTA4 was demonstrated to significantly regulate cell proliferation, migration, and invasion in vitro...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28336956/preclinical-development-of-a-humanized-neutralizing-antibody-targeting-hgf
#16
Hyori Kim, Sung Hee Hong, Jung Yong Kim, In-Chull Kim, Young-Whan Park, Song-Jae Lee, Seong-Won Song, Jung Ju Kim, Gunwoo Park, Tae Min Kim, Yun-Hee Kim, Jong Bae Park, Junho Chung, In-Hoo Kim
Hepatocyte growth factor (HGF) and its receptor, cMET, play critical roles in cell proliferation, angiogenesis and invasion in a wide variety of cancers. We therefore examined the anti-tumor activity of the humanized monoclonal anti-HGF antibody, YYB-101, in nude mice bearing human glioblastoma xenografts as a single agent or in combination with temozolomide. HGF neutralization, The extracellular signal-related kinases 1 and 2 (ERK1/2) phosphorylation, and HGF-induced scattering were assessed in HGF-expressing cell lines treated with YYB-101...
March 24, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28335466/a-specific-mixture-of-nutrients-suppresses-ovarian-cancer-a-2780-tumor-incidence-growth-and-metastasis-to-lungs
#17
Mohd Waheed Roomi, Tatiana Kalinovsky, Matthias Rath, Aleksandra Niedzwiecki
Ovarian cancer is the deadliest gynecological malignancy in women, and fifth leading cause of death. Despite advances made in chemotherapy and surgery, the average time of clinical remission is approximately 2 years and the 5-year survival rate is 45%. Thus, there is an urgent need for the development of a novel therapeutic approach to ovarian cancer treatment. We investigated the effect of a specific nutrient mixture (EPQ) containing ascorbic acid, lysine, proline, green tea extract, and quercetin on human ovarian cancer cell A-2780 in vivo and in vitro...
March 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28334918/adaptive-human-immunity-drives-remyelination-in-a-mouse-model-of-demyelination
#18
Mohamed El Behi, Charles Sanson, Corinne Bachelin, Léna Guillot-Noël, Jennifer Fransson, Bruno Stankoff, Elisabeth Maillart, Nadège Sarrazin, Vincent Guillemot, Hervé Abdi, Isabelle Cournu-Rebeix, Bertrand Fontaine, Violetta Zujovic
One major challenge in multiple sclerosis is to understand the cellular and molecular mechanisms leading to disease severity progression. The recently demonstrated correlation between disease severity and remyelination emphasizes the importance of identifying factors leading to a favourable outcome. Why remyelination fails or succeeds in multiple sclerosis patients remains largely unknown, mainly because remyelination has never been studied within a humanized pathological context that would recapitulate major events in plaque formation such as infiltration of inflammatory cells...
February 22, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334734/multinucleated-polyploidy-drives-resistance-to-docetaxel-chemotherapy-in-prostate-cancer
#19
Karuna Mittal, Shashi Donthamsetty, Ramneet Kaur, Chunhua Yang, Meenakshi V Gupta, Michelle D Reid, Da Hoon Choi, Padmashree C G Rida, Ritu Aneja
BACKGROUND: Docetaxel is the only FDA-approved first-line treatment for castration-resistant prostate cancer (CRPC) patients. Docetaxel treatment inevitably leads to tumour recurrence after an initial therapeutic response with generation of multinucleated polyploid (MP) cells. Here we investigated role of MP cells in clinical relapse of CRPC. METHODS: Prostate cancer (PC-3) cells were treated with docetaxel (5 nM) for 3 days followed by a washout and samples were collected at close intervals over 35 days post drug washout...
March 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28333964/optimizing-ultrasound-molecular-imaging-of-secreted-frizzled-related-protein-2-expression-in-angiosarcoma
#20
James K Tsuruta, Nicholas P Schaub, Juan D Rojas, Jason Streeter, Nancy Klauber-DeMore, Paul Dayton
Secreted frizzled related protein 2 (SFRP2) is a tumor endothelial marker expressed in angiosarcoma. Previously, we showed ultrasound molecular imaging with SFRP2-targeted contrast increased average video pixel intensity (VI) of angiosarcoma vessels by 2.2 ± 0.6 VI versus streptavidin contrast. We hypothesized that redesigning our contrast agents would increase imaging performance. Improved molecular imaging reagents were created by combining NeutrAvidin™-functionalized microbubbles with biotinylated SFRP2 or IgY control antibodies...
2017: PloS One
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